Review Questions - Click On The Picture To Begin...
A chain marked with a
4 is identified as what kind?
- Grade 70 Transport
- Grade 100 Alloy
- Grade 43 High test
- Grade 40 High test
Quote From The CDL Manual:
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A vertical barrier across the front of the deck of a vehicle to prevent forward movement of cargo is a:
- Rub rail.
- Cab shield.
- Headboard.
- Deck.
Quote From The CDL Manual:
Headboard:
A vertical barrier across the front of the deck of a vehicle to prevent forward movement of cargo.
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What is aggregate working load limit?
- 50% of the maximum load that may be applied to a component of a cargo securement system during normal service, usually assigned by the manufacturer of the component.
- The maximum load that may be applied to a component of a cargo securement system during normal service, usually assigned by the manufacturer of the component.
- The summation of 50% of the working load limits or restraining capacity of all devices used to secure an article on a vehicle.
- The summation of the working load limits or restraining capacity of all devices used to secure an article on a vehicle.
Quote From The CDL Manual:
Aggregate Working Load Limit:
The summation of the working load limits or restraining capacity of all devices used to secure an article on a vehicle.
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Blocking is used to:
- Attach a tiedown to.
- Place against or around an article to prevent horizontal movement of the article.
- Provide greater friction between an article and the vehicle.
- Prevent forward movement of cargo.
Quote From The CDL Manual:
Blocking:
A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.
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What is the aggregate WLL of one 7/15 inch Grade 43 chain, and three 5/16 inch Grade 70 chains?
- 42,600 lbs
- 21,000 lbs
- 10,650 lbs
- 21,300 lbs.
Quote From The CDL Manual:
3x4700+7200=21,300
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Given that general cargo securement requires a WLL of at least 50% of cargo weight, how many 1/2-inch Grade 70 chains would be required for a load of 34,500 lbs?
- 7
- 5
- 6
- 4
Quote From The CDL Manual:
34,500/11,300=3.05,
3.05x2=6.10 (round up to 7)
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